Results 61 to 70 of about 813,636 (245)

Experimental and Numerical Simulation Study of Hydraulic Fracture Propagation during Coalbed Methane Development

Geofluids, 2021
The extraction of low-permeability coalbed methane (CBM) has the dual significance of energy utilization and safe mining. Understanding hydraulic fracturing mechanism is vital to successful development of CBM.
Qingshan Ren, Yaodong Jiang, Pengpeng Wang, Guangjie Wu, Nima Noraei Danesh   +4 more
doaj   +1 more source

Microfabrication of Soft Millirobots Propelled by Low Voltage Electrohydraulic Actuators

Advanced Materials Technologies, EarlyView.
Manual layer‐by‐layer assembly is replaced by wafer‐level MEMS batch fabrication for compliant polymer‐based electrohydraulic actuators. The microfabricated devices integrate sacrificially defined microcavities, Parylene‐C‐sealed inlets, and multilayer polymer–metal films.
Shai Shmulevich, Florian Hartmann, Herbert Shea   +2 more
wiley   +1 more source

Investigation on the influence factors for the fracturing effect in fractured tight reservoirs using the numerical simulation

Science Progress, 2022
Taking the fractured tight reservoir of the Fengcheng Formation in Mahu Depression as the research object, the RFPA software, a numerical simulation platform of real fracture process, was used to study the fracture propagation laws in fractured tight ...
Jian Xiong, Junjie Liu, Wei Lei, Xiangjun Liu, Lixi Liang, Yi Ding   +5 more
doaj   +1 more source

Aerosol Jet Printing of Benzocyclobutene as a Thermally Stable, Low‐Loss Dielectric for Multilayer Microwave Electronics

Advanced Materials Technologies, EarlyView.
Multilayer aerosol jet printed components with a low‐loss, thermally stable dielectric are demonstrated using benzocyclobutene. Ink formulation and in‐line droplet evaporation control support high‐quality, versatile, and stable printing performance. A specialized measurement for low‐loss materials reveals promising microwave properties, which, combined
Md Ramjan Ali, Trent Moritz, Mohammad Tayeb Al Qaseer, Ethan B. Secor   +3 more
wiley   +1 more source

Study of stress field induced by natural fracture and its influence on hydraulic fracture propagation

Journal of Petroleum Exploration and Production Technology
The change of fracture propagation direction caused by stress interference between fractures is one of the main reasons that affect shale gas productivity.
Shanzhi Shi, Mingxing Wang, Wei Tang, Yuting Pan, Haozeng Jin, Jiale He, Lei Hou, Bobo Xie, Xi Chen, Zhao Lv   +9 more
doaj   +1 more source

The influence mechanism of natural fractures on hydraulic fracture propagation in Mabei shale reservoir

Frontiers in Earth Science
The resource potential of shale in Fengcheng formation in Mabei is huge, but it must rely on efficient hydraulic fracturing technology to obtain reservoir stimulation and achieve economic development.
Gan Renzhong, Fu Lianming, Ruan Dong, Wu Yue, Hu Sicheng, Ding Yi, Liu Xiangjun   +6 more
doaj   +1 more source

Causes of scatter in high rate fracture testing of polymers [PDF]

, 2013
A method based on the measurement of failure time is being developed by the European Structural Integrity Society to determine high rate fracture toughness of polymers.
Horsfall I., Horsfall, Ian, AGNELLI, Silvia, Agnelli, S.   +3 more
core   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

Advanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu, Bin Cui, Xumin Huang, Xiaoyu (Rayne) Zheng, T. Thang Vo‐Doan, Ruirui Qiao   +5 more
wiley   +1 more source

Numerical Investigation of Influence of In-Situ Stress Ratio, Injection Rate and Fluid Viscosity on Hydraulic Fracture Propagation Using a Distinct Element Approach

Energies, 2016
Numerical simulation is very useful for understanding the hydraulic fracturing mechanism. In this paper, we simulate the hydraulic fracturing using the distinct element approach, to investigate the effect of some critical parameters on hydraulic ...
Bo Zhang, Xiao Li, Zhaobin Zhang, Yanfang Wu, Yusong Wu, Yu Wang   +5 more
doaj   +1 more source

StackingNet: Collective Inference Across Independent AI Foundation Models

Advanced Science, EarlyView.
ABSTRACT Artificial intelligence (AI) built on large foundation models has transformed language understanding, computer vision, and reasoning, yet these systems remain isolated and cannot readily share their capabilities. Coordinating the complementary strengths of independently developed, black‐box foundation models is essential for trustworthy ...
Siyang Li, Chenhao Liu, Dongrui Wu, Zhigang Zeng, Lieyun Ding   +4 more
wiley   +1 more source